parse typescript?

[benmosher]

Would be cool if *.ts were magically parsed by a (the?) TypeScript parser, such that JavaScript files that import from TypeScript could be properly linted.

Use case: transitioning from one to the other in a Webpack project, where loaders allow both to exist.

Possible general config option: import/parsers that maps from regexes to parser modules. Non-matches would continue to use the ESLint parser.

Could theoretically lint CoffeeScript or whatever else, assuming some module spit out a roughly ESTree-compatible AST (i.e. it has compatible export nodes in a Program body).